From health tips to tech hacks, find it all on IDNLearn.com. Join our interactive Q&A community and get reliable, detailed answers from experienced professionals across a variety of topics.
Answer:
x=19
Step-by-step explanation:
All of the angles add up to 180 degrees since it is a straight angle. So, the equation is:
3x+7+90+x+7=180
You combine like terms:
4x+104=180
Then you subtract on both sides:
4x=76
Then you divide by 4 on both sides:
x=19